known as a key location in the fantasy/horror House of Night novel series written by P.C. Cast and Kristin Cast. Tulsa's conservative synagogue, B'nai Emunah, is also located in Midtown. Some of the other major shopping centers in this part of the city include the Promenade Mall, Highland Park Shopping Center, Southroads, Ranch Acres, The Farm Shopping Center, and The Plaza. OU-Tulsa is across the street from the Promenade Mall at 41st and Yale, on the southern edge of Midtown. In northeast Midtown, the Tulsa State Fairgrounds, now called Expo Square, is home to several Tulsa landmarks. In addition to the site being the former home to the minor league baseball Tulsa Drillers, the Art Deco Expo Square Pavilion, the Fair Meadows horse racing track, and the annual Tulsa State Fair, it boasts the Quick Trip Expo Center, the largest clearspan building in the world, providing 354,000 square feet (33,000 m2) of column-free space under a cable-suspended roof. In front of the Expo Center is the Golden Driller, standing 76 feet (23 m) tall. Built in 1966 as a symbol for the International Petroleum Expo, the statue serves as a reminder of Tulsa's oily past. The Expo Center is also home to the annual Darryl Starbird Rod and Custom Show. Held in early February, it is touted as 'The World's Largest Indoor Car Show' and often draws around 1,500 custom and classic cars, trucks, and motorcycles. Antique car auctions are also held here and draw many visitors from across the nation. Arkansas River Parks The Tulsa area boasts nearly of river shoreline along the Arkansas River. River Parks lines more than of that stretch, spread along both banks of the 1/4 mile wide channel and connected by a pedestrian bridge between 21st and 31st streets. River Parks is a popular destination for outdoor recreation. Miles of asphalt-surfaced recreation trails weave past picnic areas, playgrounds, fountains and sculptures. The park's landscape ranges from manicured lawns to the rugged terrain of the Turkey Mountain Urban Wilderness Area. Recreation in River Parks includes fishing, rowing, kayaking, disc golf, hiking, biking and horseback riding. During the spring, summer, and early fall, concerts, festivals and the state's largest free fireworks display (on the Fourth of July) are popular draws to the river. The festival park on the river's west bank is the site of Tulsa's Oktoberfest, one of the oldest and largest in the U.S.